Home / 36,287.68-50,076.16-20,372.80

Finding the Fourth Proportional to 36,287.68, 50,076.16 and 20,372.80

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Solution

The fourth proportional to 36,287.68, 50,076.16 and 20,372.80 is: 28,113.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,287.68 : 50,076.16 = 20,372.80 : x
  2. Step 2: Convert to fraction form
    36,287.68/50,076.16 = 20,372.80/x
  3. Step 3: Cross multiply
    36,287.68x = 50,076.16 × 20,372.80
  4. Step 4: Simplify right side
    36,287.68x = 1,020,191,592.45
  5. Step 5: Solve for x
    x = 1,020,191,592.45/36,287.68
  6. Step 6: Final answer
    x = 28,113.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.